:root {
    --primary: #FF8A00;
    --primary-hover: #E07900;
    --background: #07191E;
    --surface: #0a232b;
    --text: #f8fafc;
    --text-muted: #8ca3a6;
    --border: #133842;
    --success: #FF8A00;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background: linear-gradient(rgba(7, 25, 30, 0.85), rgba(7, 25, 30, 0.85)), url('../images/bg.png') no-repeat top center fixed;
    background-size: cover;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.glass {
    background: rgba(7, 25, 30, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 25, 30, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--background);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(2, 245, 161, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--text);
    background: rgba(255,255,255,0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 245, 161, 0.2);
}

.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 2rem;
}

.auth-box {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: 1rem;
}

.auth-box h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-box p {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 2rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.card {
    padding: 2rem;
    border-radius: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.875rem;
}

.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.profile-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.detail-item label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.detail-item p {
    font-size: 1rem;
    font-weight: 500;
}

.hero {
    text-align: center;
    padding: 6rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Nexus Tactical Theme Additions */
.tactical-navbar {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,138,0,0.2);
    background: transparent;
}

.tactical-logo-box {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tactical-square {
    width: 20px;
    height: 20px;
    background-color: var(--primary);
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 10px rgba(255,138,0,0.5);
}

.tactical-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 2px;
}

.tactical-nav-links {
    display: flex;
    gap: 2.5rem;
}

.tactical-nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.tactical-nav-links a:hover, .tactical-nav-links a.active {
    color: var(--primary);
}

.doc-count {
    color: var(--primary);
}

.tactical-nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.auth-req-text {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text);
}

.btn-tactical {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--text);
    padding: 0.75rem 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    border-left: 4px solid var(--primary);
    transition: all 0.3s ease;
    text-decoration: none;
    text-transform: uppercase;
}

.btn-tactical:hover {
    background-color: rgba(255, 138, 0, 0.1);
    box-shadow: 0 0 15px rgba(255, 138, 0, 0.2);
}

.tactical-hero {
    padding: 5rem 4rem;
    flex: 1;
}

.sys-badge {
    display: inline-block;
    border: 1px solid rgba(255, 138, 0, 0.3);
    padding: 0.2rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 2rem;
    background: rgba(255, 138, 0, 0.05);
}

.sys-badge span.sys-update {
    background-color: var(--primary);
    color: var(--background);
    padding: 0.2rem 0.5rem;
    margin-right: 0.5rem;
}

.hero-sub {
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-sub::before {
    content: "■ ■ ■";
    font-size: 0.5rem;
    letter-spacing: 3px;
}

.tactical-h1 {
    font-size: 6rem;
    line-height: 0.9;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -2px;
    text-transform: uppercase;
}

.tactical-h1 .white-text {
    color: var(--text);
    display: block;
}

.tactical-h1 .glow-text {
    color: var(--primary);
    display: block;
    text-shadow: 0 0 40px rgba(255, 138, 0, 0.4);
}

.hero-desc {
    max-width: 500px;
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.8;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.tactical-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    padding: 0 4rem 4rem 4rem;
}

.tactical-card {
    background: rgba(10, 35, 43, 0.8);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 2.5rem;
    position: relative;
    backdrop-filter: blur(5px);
}

.tc-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.tc-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    max-width: 250px;
    margin-bottom: 2rem;
}

.swap-box {
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem;
    margin: 1rem 0;
}

.swap-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
}

.swap-coin {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    color: var(--text);
}

.swap-amount {
    color: var(--text-muted);
    font-family: monospace;
    font-size: 1.1rem;
}

.swap-divider {
    text-align: center;
    margin: -10px 0;
    position: relative;
    z-index: 2;
}

.swap-divider span {
    background: var(--background);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
}

.tc-link {
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 1px;
    display: inline-block;
    margin-top: 1.5rem;
}

.graph-mockup {
    height: 200px;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    margin-top: 2rem;
}

.graph-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg preserveAspectRatio="none" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M0,80 Q25,90 50,70 T100,20" fill="none" stroke="%23FF8A00" stroke-width="2"/></svg>') no-repeat;
    background-size: 100% 100%;
}

.graph-node {
    position: absolute;
    top: 15%;
    right: 20%;
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

.graph-tooltip {
    position: absolute;
    top: 22%;
    right: 15%;
    background: rgba(0,0,0,0.8);
    border: 1px solid rgba(255,138,0,0.3);
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    text-align: center;
}

.graph-tooltip .tt-title {
    color: var(--text);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
}

.graph-tooltip .tt-val {
    color: var(--primary);
}

.status-bar {
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.3);
    padding: 1rem 4rem;
    display: flex;
    justify-content: center;
}

.status-inner {
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.02);
}

.status-text {
    font-size: 0.8rem;
    letter-spacing: 2px;
    font-weight: 600;
    color: var(--text);
}

.status-icon {
    color: var(--primary);
}

.status-bars {
    display: flex;
    gap: 2px;
}

.status-bars span {
    width: 4px;
    height: 12px;
    background-color: var(--primary);
}

.tactical-footer {
    padding: 4rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    position: relative;
    overflow: hidden;
}

.giant-bg-text {
    position: absolute;
    bottom: -20px;
    right: -20px;
    font-size: 15rem;
    font-weight: 900;
    color: rgba(255,255,255,0.02);
    z-index: 0;
    line-height: 0.8;
    pointer-events: none;
}

.footer-col {
    position: relative;
    z-index: 1;
}

.footer-title {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.footer-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.footer-links a.active {
    color: var(--primary);
    border-left: 2px solid var(--primary);
    padding-left: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    border-top: 1px solid rgba(255,255,255,0.05);
}